Cylinder stand



FIG. 1 is a perspective view of a cylinder stand showing my new design;

FIG. 2 is a front isometric view thereof;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image; and,

FIG. 4 is a top plan view thereof, the bottom being plain and unornamented.

The broken line showing of a cylinder in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a cylinder stand, as shown and described. 